How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?

Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Colorado to Belfast Intl Airport with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?

Prices for flights from Colorado to Belfast Intl Airport refresh daily.

How old do you have to be to fly from Colorado to Belfast Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£276 Cheap Flights from Colorado to Belfast Intl Airport in 2026

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0 bags

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Find the cheapest flights from Colorado to Belfast

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:40 - 18:25

DEN

BFS

25h 45m

2 stops

21:40 - 19:00

BFS

DEN

28h 20m

2 stops

£794Multiple Airlines

Sun, 16 Aug - Sat, 29 Aug

09:40 - 18:25

DEN

BFS

25h 45m

2 stops

21:15 - 11:20

BFS

DEN

45h 05m

3 stops

£830Multiple Airlines

Sun, 16 Aug - Sat, 29 Aug

17:40 - 18:50

DEN

BFS

18h 10m

2 stops

20:15 - 15:40

BFS

DEN

26h 25m

2 stops

£910Multiple Airlines

Sun, 19 Apr - Tue, 28 Apr

16:15 - 21:30

DEN

BFS

22h 15m

3 stops

21:15 - 11:20

BFS

DEN

45h 05m

3 stops

£914Multiple Airlines

Sun, 16 Aug - Sat, 29 Aug

16:05 - 22:20

DEN

BFS

23h 15m

2 stops

22:00 - 14:20

BFS

DEN

23h 20m

2 stops

£974Multiple Airlines

Wed, 13 May - Sun, 24 May

11:25 - 15:15

DEN

BFS

20h 50m

3 stops

22:00 - 14:20

BFS

DEN

23h 20m

2 stops

£987Multiple Airlines

Wed, 13 May - Sun, 24 May

11:25 - 22:20

DEN

BFS

27h 55m

3 stops

08:25 - 19:00

BFS

DEN

41h 35m

3 stops

£1,164Multiple Airlines

Wed, 13 May - Sun, 24 May

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/8

09:40-18:25

2 stops25h 45m

Belfast Intl

Sat 29/8

21:40-19:00

2 stops28h 20m

£794

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/8

09:40-18:25

2 stops25h 45m

Belfast Intl

Sat 29/8

21:15-11:20

3 stops45h 05m

£830

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 19/4

17:40-18:50

2 stops18h 10m

Belfast Intl

Tue 28/4

20:15-15:40

2 stops26h 25m

£910

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/8

16:15-21:30

3 stops22h 15m

Belfast Intl

Sat 29/8

21:15-11:20

3 stops45h 05m

£914

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 13/5

16:05-22:20

2 stops23h 15m

Belfast Intl

Sun 24/5

22:00-14:20

2 stops23h 20m

£974

Fastest return journey

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 13/5

11:25-15:15

3 stops20h 50m

Belfast Intl

Sun 24/5

22:00-14:20

2 stops23h 20m

£987

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 13/5

11:25-22:20

3 stops27h 55m

Belfast Intl

Sun 24/5

08:25-19:00

3 stops41h 35m

£1,164

Cheapest one-way

Fastest single journey

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 1/9

20:10-19:50

2 stops16h 40m

£276

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Tue 1/9

20:10-19:50

2 stops16h 40m

£276

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 26/7

06:10-07:40

3 stops42h 30m

£304

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

Cheap Colorado to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Belfast Intl Airport

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Colorado to Belfast Intl Airport takes 13h 50m

There are no direct flights from Colorado to Belfast Intl Airport. There are no popular flight routes from Colorado to Belfast Intl Airport.

Search flight deals

When did momondo last update prices for flights from Colorado to Belfast Intl Airport?
Prices for flights from Colorado to Belfast Intl Airport refresh daily.
How old do you have to be to fly from Colorado to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Colorado to Belfast Intl Airport?
Confirm your travel details to search for the latest offers for flights from Colorado to Belfast Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Colorado to Belfast Intl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Ballymena

Newry

Armagh

Cookstown

Portadown

Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Belfast?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Belfast for you.

Can I find flights from Colorado to Belfast with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belfast from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Belfast?

momondo provides multiple filters to help you find the best flight to Belfast from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Colorado to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Colorado and alert you when they change.